112661138 has 8 divisors (see below), whose sum is σ = 169079088. Its totient is φ = 56301444.

The previous prime is 112661117. The next prime is 112661141. The reversal of 112661138 is 831166211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 112661138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9356 + ... + 17687.

It is an arithmetic number, because the mean of its divisors is an integer number (21134886).

Almost surely, 2^112661138 is an apocalyptic number.

112661138 is a deficient number, since it is larger than the sum of its proper divisors (56417950).

112661138 is a wasteful number, since it uses less digits than its factorization.

112661138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29128.

The product of its digits is 1728, while the sum is 29.

The square root of 112661138 is about 10614.1951178599. The cubic root of 112661138 is about 482.9750668330.

The spelling of 112661138 in words is "one hundred twelve million, six hundred sixty-one thousand, one hundred thirty-eight".